vendor/github.com/hashicorp/hcl2/ext/dynblock/iteration.go

   1 package dynblock
   2
   3 import (
   4         "github.com/hashicorp/hcl2/hcl"
   5         "github.com/zclconf/go-cty/cty"
   6 )
   7
   8 type iteration struct {
   9         IteratorName string
  10         Key          cty.Value
  11         Value        cty.Value
  12         Inherited    map[string]*iteration
  13 }
  14
  15 func (s *expandSpec) MakeIteration(key, value cty.Value) *iteration {
  16         return &iteration{
  17                 IteratorName: s.iteratorName,
  18                 Key:          key,
  19                 Value:        value,
  20                 Inherited:    s.inherited,
  21         }
  22 }
  23
  24 func (i *iteration) Object() cty.Value {
  25         return cty.ObjectVal(map[string]cty.Value{
  26                 "key":   i.Key,
  27                 "value": i.Value,
  28         })
  29 }
  30
  31 func (i *iteration) EvalContext(base *hcl.EvalContext) *hcl.EvalContext {
  32         new := base.NewChild()
  33
  34         if i != nil {
  35                 new.Variables = map[string]cty.Value{}
  36                 for name, otherIt := range i.Inherited {
  37                         new.Variables[name] = otherIt.Object()
  38                 }
  39                 new.Variables[i.IteratorName] = i.Object()
  40         }
  41
  42         return new
  43 }
  44
  45 func (i *iteration) MakeChild(iteratorName string, key, value cty.Value) *iteration {
  46         if i == nil {
  47                 // Create entirely new root iteration, then
  48                 return &iteration{
  49                         IteratorName: iteratorName,
  50                         Key:          key,
  51                         Value:        value,
  52                 }
  53         }
  54
  55         inherited := map[string]*iteration{}
  56         for name, otherIt := range i.Inherited {
  57                 inherited[name] = otherIt
  58         }
  59         inherited[i.IteratorName] = i
  60         return &iteration{
  61                 IteratorName: iteratorName,
  62                 Key:          key,
  63                 Value:        value,
  64                 Inherited:    inherited,
  65         }
  66 }